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ahrayia [7]
3 years ago
9

Completing the square when the equation doesn't equal 0, e.g.

Mathematics
1 answer:
Hunter-Best [27]3 years ago
3 0
It's as it is said y = x^2+6x+12.
Your question is unclear.
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Match the vocab word to the definition<br>​
Maksim231197 [3]
This would be ELA 1 or 2.....
4 0
2 years ago
4. The length of a rectangle is one more than twice the width. The area is 105 in?.
Zanzabum

9514 1404 393

Answer:

  7 in

Step-by-step explanation:

For width w in inches, the length is given as 2w+1. The area is the product of length and width, so we have ...

  A = LW

  105 = (2w +1)w

  2w^2 +w -105 = 0

To factor this, we're looking for factors of -210 that have a difference of 1.

  -210 = -1(210) = -2(105) = -3(70) = -5(42) = -6(35) = -7(30) = -10(21) = -14(15)

So, the factorization is ...

  (2w +15)(w -7) = 0

Solutions are values of w that make the factors zero:

  w = -15/2, +7 . . . . . negative dimensions are irrelevant

The width of the rectangle is 7 inches.

7 0
2 years ago
PLZZZZ HELP The Lakeview city council is considering two different plans to help reduce the amount of pollution in the city. Pla
sdas [7]
1. The two equations follow the slope-intercept form which y=mx + b. They have the same y-intercept which is equal to 900.

2. Suppose x= 10
    Plan Alpha: y=-7x+900=-7(10)+900=830
    Plan Foxtrot: y = -17x+900 = -17(10)+900=730
    
    Between the 2 plans, the lower value is 730. Plan Foxtrot is better for reduction of pollution.

3. The city council should choose Plan Foxtrot because the reduction of pollution is much greater. Their goal would be reached faster if they go with faster reduction of pollution.
5 0
2 years ago
Please help! It’s important!!
Vika [28.1K]

Answer:

option 3

Step-by-step explanation:

Since definition of slope is:

slope =  \frac{rise}{run}

the ratio:

\frac{bd}{da}  =  \frac{ce}{ea}

explains the best (Ratio option 3)

5 0
2 years ago
A hemisphere has a diameter of 26 centimeters. What is the volume of a sphere with the same radius?
salantis [7]
r= \frac{d}{2}= \frac{26}{2} \;\Rightarrow r=13\,cm  \\  \\ &#10;V= \frac{4}{3} \pi r^3 \\  \\ &#10;V= \frac{4}{3} \pi \,(13)^3 \\  \\ &#10;V= \dfrac{4\cdot 2197}{3} \pi \\  \\ &#10;V= \frac{8788}{3} \pi\approx 9202,77\,cm^3
4 0
3 years ago
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